Oven baffle plate with attached burner for combination coal and gas ranges



March 17,1925;

SIEGLER ET AL OVEN BAFFLE PLATE WITH ATTACHED BURNER FOR COMBINATION COAL AND GAS RANGES 'Filed March 14, 1924 2 Sheets-Sheet 1 IIII/IZ 5 L ef/ 5 r 9 N w on r 1mm 5 E March '17, 1925. 1,529,850

' 0. SIEGLER ET AL OVEN BAFFLE PLATE WITH ATTACHED BURNER FOR COMBINATION GOAL AND GAS RANGES Filed-March 14, 1924 2 Sheets-Sheet 2 Z r r 1/ Y 5 L10 [5 I,

f/v l EN T025 0/7 0 y BY W Patented Mar. 17, 1925.

UNITED STATES PATENT ;o1="i-"icE."-

OTTO SIEGLER AND EUGENE SIEG-LER, OF BELLEVILLE, ILLINOIS, ASSIGNORS' TO SIEGLER ENAMEL RANGE GOIvIPANY, OF BELLEVILLE, ILLINOIS, A CORPORATION OF ILLINOIS.

OVEN RAFFLE PLATE VTITH ATTACHED BURNER FGR COlvIBINATION COAL AND GAS:

RANGES.

Application filed March 14, 1924. Serial No. 699,204.

To all whom it may concern:

Be it known that we, OTTO SIEGLER and EUGENE SIEGLER, citizens of the United States, residing in the city of Belleville, county of St. Clair, and State of Illinois, have invented a certain new and useful Improvement in Oven Battle Plates with-Attached Burners for Combination Coal and Gas Ranges, of which the following is a full, clear, and exact description, such as will enable others skilled in the art to which it appertains to make and usethe same.

This invention relates to combination coal and gas ranges, and particularly, to the oven burners of such stoves.

In stoves of the type referred to it is the usual practice to heat the oven with a gas burner attached to a baffle plate which is removably mounted in the oven. Prior to our invention it was the usual practice to equip the oven burner of a combination coal and gas range with the two rows of orifices or gas ports disposed on the underside of the burner so as to cause jets of gas to be projected downwardly against the bottom.

of the oven, and provide the baffle plate with a heat insulated central portion surrounded by a perforated portion up through which the heat from the bottom of the oven as cends. This method of heating the oven of a combination coal and gas range has not proved entirely satisfactory, owing to the uneven distribution of the heat and to the relatively long time required to heat the oven.

The main object of our invention is to provide a removable battle, with attached burner, for the oven of a combination coal and gas range which is constructed in such a way that the heat will be distributed practically uniformly through the entire area of the. oven.

Another object is to provide an oven burner for a comb'mationcoal and gas range that will not only heat an oven quicker, but with the consumption of less gas than the oven burners heretofore used in combination coal and gas ranges. 7

And still another object is to provide a combined baflie plate and gas burner for the purpose described that is inexpensive to manufacture.

' on the underside of the Figure l of the drawings is a perspective View of aportion of a combination gas range embodying our invention.

Figure 2 is a top plan view of the baffie plate. V

Figure 3 is a bottom; plan'view of the baffle plate, showing'the burner attachedto same;and L m m Figure 41s a transverse sectional VlBW, taken on the line H of Figure 2.

Referring to the drawings which il1uscoal and trate the preferredform of our inventiony- A designates the oven of a combination coal and gas range, B designates asanentirety a baffle plate that isremovably mounted in said oven, and C designates a gas burner that is. attached to the underside of said baiile plate. The baflle plate B is of rectangular shape in general outline and is provided at its side edges with laterally-pr jecting arms 1 equipped with depending portions 2 that rest-upon flanges 3 or other suitable supports on the side wallsofpthe oven. The laterally-projecting arms 1 hold the side edges of the balileplate inispaced relation with theside walls of the-oven A, and thus form passageways w at the .sides of the bafiie plate up through which the heat ascends from the bottom portion'of the oven. Said bafiie plate is also provided at its rear end with arms 4 that hold the rear end of the baffle plate in spaced relation with the rear wall of theoven, and thus form a passageway similar to the passageways w previously referred to up through which the heat from the lower portion of the oven ascends. Ifdesired, the baffle, plate form a passageway similar to thepassage-.;

ways w. v

The gas burner C on the underside of the baffle plate 13 preferably consists of acontinuous burner that extends around the four sides of the oven, and the gas jets or orifices 6 in said burner are arranged on the upper side of same, as shown in Figure 4 and are so disposed that the jets of gas which emerge from the burner will be projected upwardly peripheral portion 7 of the plate B, thereby causing they 7 heat-to be distributed practically uniformly throughout the entire area of the oven. The particular shape of the burner C .is imma- .terial, .but we prefer to make said burner of rectangular form in general outline so that it will-have two side portions arranged adjacent the side walls of the oven, a rear portion arrangedadjacentthe back wall of the oven and a front portion arranged jacent the door of the oven when said door is closed. Gas is supplied to the burner 0 through an intake portion 8 on said burner .locatediat the :rear :end of same, and in order to insure the gas stream dividing andtlow- .ing uniformly through I the portionsot the burner which branch laterally troin the 1ntake portion 8,we arrange a deflector-9 in the burner adjacent the intake portion 8', as shown in Figure 3. In :our improved baffle plate the central portion ot'same is not protected by asbestos or other heat insulating materiahbut, on-the contrary, the cen- "tral portion 10 of our bafiie plate 18-6 011- structed in' such 'a Way that heat will radiate upwardlyrfromsam'e, and thus supply heat Ito the cent-ral'por tion ot the oven. While the particular constructicnoi the ba'fflle plate 13 is immaterial, so far as our broad idea is concerned, we have found that excellent results will beobtained if the'periph *eralport'ion 7 of th'ebaflile plate is formed "-ofacastmetal and the central portion 10 of the 'batlile plate 'is .itormed of sheet metal, "the 'cast'metal peripheral portion imparting the required rigidity to the baffle plate and serving as an excellent deflector for the fiamesthatemerge from the burner G, and

the sheet meta'l central portion 10 of the loatl'lejplate insuring the required amount-of iheat'being supplied to the central portion of the oven. As shown in Figure's 3 and i, the peripheral portion 7 of thebaiile plate isprovided at its inner edge with inwardlyprofleeting lugs 11 "to which the burner C is "connected by bolts or other suitable fastening devices '12 that pass upwardly through supporting brackets 13 on the upperside of the burner C. The piece of sheet metal from which the central portion 10 or the 'bafiie plate is formed has its peripheral edge flanged downwardly at'l so astcreintorce and strengthen-same, and said plate is'sup ported by the iniwardlyprojecting lugs '11 .gular shaped member, as shown in Figure 2,

on theiperipheral portion of the baiile plate and is retained in position by the fastening devices 12 that areused to securethe burner to the baflie plate. I For convenience in manufacturing it is preferable tov construct the peripheral portion of the bafile plate from two identical castings of such form that whenathey are assembled they will'cooperatewith each other to form a rectan- "sa id castings-being detachably connected together by bolts or other suitable fastening devices 15. A combined baflie plate and oven burner of the construction above de scribed insures an even distribution of the heat in theoven in whichitis used, owing to the fact that the burner C is continuous, or in other Words, extends .around all four sides 01 the oven, and is provided on its upper side with gas jets or orifices which so disposed that the flames which emerge from the burner will be projected upwardlyv against the-underside of the peripheral portion of the baflie plate and in close prorimity to the passageways at the sides, -rear and front of the oven up through which the heat ascends. As the central port-ion of the-battle plate is notscovered by heat insulating una- I 'teriahsoine-heat will radiate upwardly 'troin and outwardly extending projections,-

member detachably connected *to said in-; wardly extending projections so as to form "the central portion ot the plate,'aznd a con- 'tlIlUOllS burner on the undersi'de of said plate connected'qto said inwardly extending pro- 'j'ections and provided with gas orifices.-

' 2. A/device for heating the ovenuof :a

combination gas and coal range, comprising ba'flie plate adapted :tobe -arranged inside of the oven andufc'omposed of-an unprotected sheet metal central portion and a cast 'metal I peripheral portion that surrounds saidcen- 't1'alportion, anda gas burner onthe under side of said 'plate conforming to the outline of said peripheral 'portion andprovided with 'gas orifices disposed so'that jets of gas will be projected outwardly and upwardly to- ;wards the vertical walls of the oven and against the underside of the peripheral portion ofsaid bafiie plate.

3. A deviceiforiheatingthe-oven o'f a combinatio n gas and coal range, comprisii1g a 'ba-lile'plate adapted'to'be arrangedinsi'de of the oven and composed ofuanunprotected sheet metal centralfportion and a cast metal peripheral 1 portion f'th-at surrounds said "central portion, a gas "burner attached to the underside of said plateadjacent the inner edge of said peripheral portion and provided with gas orifices disposed :so'that jets 03"? gas will "be projected outwardly and up war dly towards the vertical walls at "the oven and against the underside; drum peripheral portion of said baflle plate, said burner conforming in general outline to the shape of the peripheral portion of the baffle plate and being provided with an intake portion, and a deflector for causing the gas flowing through said intake portion to split up into two streams and flow through the burner.

4. A device for heating the oven of a combination coal and gas range, comprising a bafllle plate adapted to be arranged inside of the oven and provided with means that maintains the edges of said plate in spaced relation with the vertical walls of the oven,

so as to form passageways up through which the heat ascends, said plate being composed of a cast metal peripheral portion of rectangular shape in outline and a central portion formed from a sheet metal plate, and a substantially rectangular-shaped gas burner arranged on the underside of said plate at the inner edge of said peripheral portion and provided on its upper side with gas orifices disposed so that jets of gas will be projected outwardly and upwardly against the underside of said peripheral portion of said baffle plate.

5. A bafiie plate for the purpose described, consisting of a cast metal frame of rectangular shape in general outline provided at its sides and at its front and rear ends with laterally-projecting arms, in-

wardly against the underside of said frame.

6. A baffle plate for the purpose described,

consisting of a cast metal frame of rectangular shape in general outline provided at its sides andat its front and rear ends with laterally-projecting arms, inwardly-projecting lugs on the inner side of said frame, a piece of sheet metal secured to said lugs so as to form the central portion of the baffle plate and having its peripheral edge portion flanged downwardly, a continuous gas burner on the underside of the bafile plate secured to said lugs and provided With gas orifices disposed so that jets of gas will be projected outwardly and upwardly against the underside of said frame, anintake portion on said gas burner, and a deflector for causing the gas flowing through said intake portion to divide into two streams and. flow through the burner.

OTTO SIEGLER.

EUGENE SIEGLER. 

